{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950550,-0.310570,0.000000,0.000000,0.173517,-0.531077,0.829367,0.000000,-0.257035,0.786696,0.561286,0.000000,-1641134.109280,5022954.994303,3559751.646158,1],    "boundingVolume": {    "region": [1.886531,0.595882,1.886647,0.595997,0.000000,8.813019]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1426082.b3dm"}}}